package thread;

import com.sun.source.tree.TryTree;

//模拟龟兔赛跑
public class Race implements Runnable {

    //胜利者
    private  String winner;

    @Override
    public void run() {
        for (int i = 0; i <= 100; i++) {


            //模拟兔子休息
            if (Thread.currentThread().getName().equals("兔子")&&i%80==0){
                try {
                    Thread.sleep(2);
                } catch (InterruptedException e) {
                    e.printStackTrace();
                }
            }

            //判断比赛是否结束
            boolean flag=gameOver(i);
            //如果比赛结束了，就停止程序
            if (flag){
                break;
            }

            System.out.println(Thread.currentThread().getName() + "-->跑了" + i + "步");

        }
    }

    //判断是否完成比赛
    private boolean gameOver(int steps) {
        //判断是否有胜利者
        if (winner != null) {           //已经存在胜利者了
            return true;
        }
        {
            if (steps >= 100) {
                winner = Thread.currentThread().getName();
                System.out.println("winner is" + winner);
                return true;
            }
        }
        return false;
    }

    public static void main(String[] args) {
        Race race=new Race();

        new Thread(race,"兔子").start();
        new Thread(race,"乌龟").start();
    }

}